Subtract 60/30 from 5/7
1st number: 5/7, 2nd number: 2 0/30
5/7 - 60/30 is -9/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 7 × 30 = 210,
5/7 = 5 × 30/7 × 30 = 150/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
60/30 = 60 × 7/30 × 7 = 420/210 - Subtract the two like fractions:
150/210 - 420/210 = 150 - 420/210 = -270/210 - After reducing the fraction, the answer is -9/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/7-60/30 5/14-60/30 15/7-60/30 5/21-60/30 5/7-60/90 25/7-60/30 5/35-60/30 35/7-60/30 5/49-60/30